tomahualiztli.

tomaualiztli. gordura, o corpulencia.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 149r. col. 1. Thanks to Joe Campbell for providing the transcription.

TOMĀHUALIZ-TLI fatness, corpulence / gordura o corpulencia (M) [(2)Zp.63,224]. In both attestations Z marks the vowel of the third syllable long, although by general rule it should not be. See TOMĀHUA.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 245.